UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ywotPyGEpjH1zj+WC6ij+aeQN9pq3X8BpOuIPaQOktM=' 
WHERE 
  key_id = '6449f50243b13a3988aa9a1c57af62ab3164971620a64cd261112a744f58d938' 
  AND (
    token = 'ywotPyGEpjH1zj+WC6ij+aeQN9pq3X8BpOuIPaQOktM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )